| 摘要 |
A system and method for authenticating communication from a message originator to a user is provided. An electronic message is identified as intended for a user. A service identifier associated with the user is retrieved from a database and inserted into a subject field or the body of the electronic message. The service identifier may be lexical, auditory, or visual. The electronic message can be an e-mail message, fax, short message, or multimedia message. The electronic message is then transmitted to a device associated with the user via a network serving the user. The presence of the service identifier in the subject field or message body authenticates that the electronic message originated from the professed message originator.
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